19.01.2015 Views

MOLPRO

MOLPRO

MOLPRO

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

46 BASIS SET EXTRAPOLATION 346<br />

***,h2o<br />

memory,32,m<br />

gthresh,energy=1.d-9<br />

basis=avtz<br />

r = 0.9572 ang, theta = 104.52<br />

geometry={!nosym<br />

O;<br />

H1,O,r;<br />

H2,O,r,H1,theta}<br />

hf<br />

{ccsd(t)}<br />

text,compute energies, extrapolate reference energy using EX1 and correlation energy using L3<br />

extrapolate,basis=avtz:avqz:av5z,method_c=l3,method_r=ex1,npc=2<br />

ehf=energr(1:3)<br />

etot=energy(1:3)<br />

text,extrapolate total energy using EX2<br />

extrapolate,basis=avtz:avqz:av5z,etot=etot,method=ex2<br />

text,extrapolate reference energy by EX1 and correlation energy by EX2<br />

extrapolate,basis=avtz:avqz:av5z,etot=etot,method_c=ex2,eref=ehf,method_r=ex1<br />

text,extrapolate reference energy by EX1 and correlation energy by LH3<br />

extrapolate,basis=avtz:avqz:av5z,etot=etot,method_c=LH3,eref=ehf,method_r=ex1,npc=2<br />

text,extrapolate reference energy by EX1 and correlation energy by LX<br />

extrapolate,basis=avtz:avqz:av5z,etot=etot,method_c=LX,eref=ehf,method_r=ex1,xc=[3,4],pc=0.5<br />

http:<br />

//www.molpro.net/info/current/examples/h2o_extrapolate_ccsd.com<br />

The second example shows extrapolations of MRCI energies. In this case both the MRCI and<br />

the MRCI+Q energies are extrapolated.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!